[Retracted] Time Intervals between Double Primary Breast and Ovarian Cancers and Survival Outcomes of Patients with Both Cancers: A SEER Database Analysis
Table 2
Survival outcome.
Variables
BC to OC Group 1
Synchronous Group 2
OC to BC Group 3
value
Overall
Total, (%)
2,929 (58.9%)
680 (13.7%)
1,366 (27.5%)
4,975
OS (median, range)
134 (128.4–139. 6)
35 (29.7–40.3)
239 (218.3–259.7)
<0.001
140 (134.7-145.3)
CSS of OC
45 (41.5–48.5)
91 (57.8–124.3)
NC
<0.001
127
Deceased
2,144 (73.2%)
488 (71.8%)
682 (49.9%)
<0.001
3,314 (66.6%)
Died of OC
1,539 (52.5%)
252 (37.1%)
210 (15.4%)
<0.001
2,001 (40.2%)
Died of BC
219 (7.5%)
103 (15.1%)
204 (14.9%)
<0.001
526 (10.6%)
Died of other
386 (13.2%)
133 (19.6%)
268 (19.6%)
<0.001
787 (15.8%)
Alive
785 (26.8%)
192 (28.2%)
684 (50.1%)
<0.001
1,661 (33.4%)
Abbreviations: OS: overall survival; CSS: cancer-specific survival; BC: breast cancer; OC: ovarian cancer; NC: not calculated.